Fix include/errno.h to not use kernel header, and instead use bits/errno.h.

This required we use _LIBC instead of __LIBC__ to be consistent with glibc.
This had some sideffects in sys/syscalls.h.  While fixing things, I made
everything use __set_errno() for (eventual) thread support.
 -Erik

1 files changed, 2 insertions, 2 deletions

diff --git a/libc/sysdeps/linux/common/gethstnm.c b/libc/sysdeps/linux/common/gethstnm.c
index 0728f65a4..0f7a04681 100644
--- a/libc/sysdeps/linux/common/gethstnm.c
+++ b/libc/sysdeps/linux/common/gethstnm.c
@@ -9,14 +9,14 @@ gethostname(char *name, size_t len)
   struct utsname uts;
 
   if (name == NULL) {
-    errno = EINVAL;
+    __set_errno(EINVAL);
     return -1;
   }
 
   if (uname(&uts) == -1) return -1;
 
   if (strlen(uts.nodename)+1 > len) {
-    errno = EINVAL;
+    __set_errno(EINVAL);
     return -1;
   }
   strcpy(name, uts.nodename);